v3.26.1
Stockholders' Equity - Reclassifications from AOCI (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Non-interest income (expense) $ 313 $ 255
Income tax provision (benefit) 518 325
Net income 2,174 1,404
Interest Income (Loss) 12,145 8,013
Income (loss) from continuing operations before income taxes 2,699 1,729
Reclassification out of Accumulated Other Comprehensive Income    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Net income (75) (276)
Securities available for sale: | Reclassification out of Accumulated Other Comprehensive Income    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Non-interest income (expense) 0 0
Income tax provision (benefit) 0 0
Net income 0 0
Hedging relationships: | Interest rate contracts: | Reclassification out of Accumulated Other Comprehensive Income    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Interest Income (Loss) (179) (240)
Hedging relationships: | Foreign exchange and other contracts | Reclassification out of Accumulated Other Comprehensive Income    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Non-interest income (expense) 76 (127)
Income tax provision (benefit) (25) (89)
Net income (75) (276)
Interest Income (Loss) 3 2
Interest income (expense) 0 0
Income (loss) from continuing operations before income taxes (100) (365)
Other: | Reclassification out of Accumulated Other Comprehensive Income    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Income tax provision (benefit) 0 0
Net income 0 0
Income (loss) from continuing operations before income taxes $ 0 $ 0